Ruling is a different problem under different conditions, and attempting to apply the lessons -albeit succesful - from one stage into another usually ends in defeats of proportions similar to those of the Maginot Line.

One thing is to create a group, and another is to learn to share power, and yet another, is to administer decadence or retreat.

Even the greatest empires started from scratch at one time, conquered the known world during their glory days, and suffered the secession of territories and colonies later.

Good leaders are needed during all these phases. Thus, we can speak of: